Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Dong Won Chun"'
Autor:
Wonkee Chae, Minkyung Jeong, Donggil Lee, Jongbeom Lee, Dong Won Chun, Soo Yeol Lee, Soon-Ku Hong, Su Hyeon Kim, Jun Hyun Han
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 9476-9490 (2023)
6061 aluminum (Al) alloys were asymmetrically rolled to apply shear deformation, and the effects of pre/post-aging treatment on the mechanical properties and texture evolution were analyzed. The texture was analyzed using electron backscattered diffr
Externí odkaz:
https://doaj.org/article/31ae7196e1d0461d94ec2950550a6d35
Autor:
Min Young Kim, Dong Won Chun, Rahidul Hasan, Sang-il Kim, Jae-Hong Lim, Soon-Mok Choi, Hyun-Sik Kim, Kyu Hyoung Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 765-771 (2021)
Bi–Te-based alloys are potential candidates for use in thermoelectric (TE) modules for low-mid-temperature energy harvesting. However, n-type Bi–Te–Se alloys are inferior to their p-type counterparts in terms of TE performance. It has been foun
Externí odkaz:
https://doaj.org/article/19fb478db26f48b2a696d6ff8589abfb
Publikováno v:
Frontiers in Chemistry, Vol 9 (2022)
Controlling the electronic transport behavior in thermoelectric composites is one of the most promising approaches to enhance their power factor because this enables decoupling of the correlation between the electrical conductivity and Seebeck coeffi
Externí odkaz:
https://doaj.org/article/2b58fde276b440909f3c1767e3393bf7
Autor:
Jongwon Kim, Seonhye Youn, Ju Young Baek, Dong Hwan Kim, Sumin Kim, Wooyoung Lee, Hee Jung Park, Juyoung Kim, Dong Won Chun, Sang-Shik Park, Jong Wook Roh, Jeongmin Kim
Publikováno v:
Nanomaterials, Vol 11, Iss 9, p 2444 (2021)
We studied the variation in electrical conductivity of exfoliated RuO2 nanosheets and the modulation in the contact resistance of individual nanosheet devices using charge transfer doping effects based on surface metal nanoparticle decorations. The e
Externí odkaz:
https://doaj.org/article/9f36648794e646dbb2290666ae736492
Publikováno v:
Metals, Vol 8, Iss 8, p 653 (2018)
For Fe-based 18Cr10Mn0.4N0.5C(0–2.17)Mo (in wt %) austenitic stainless steels, effects of Mo on pitting corrosion resistance and the improvement mechanism were investigated. Alloying Mo increased pitting and repassivation potentials and enhanced th
Externí odkaz:
https://doaj.org/article/38134133a47949919506252f730687b6
Autor:
Seungmin Lee, Sanghyeon Lee, Minkyu Lee, Sung Min Rho, Hyung Tae Kim, Chihyeong Won, Kukro Yoon, Chaebeen Kwon, Juyoung Kim, Geun Chul Park, Jun Hyung Lim, Joon Seok Park, Woobin Kwon, Young-Bae Park, Dong won Chun, Hyun Jae Kim, Taeyoon Lee
Publikováno v:
ACS applied materialsinterfaces.
Controlling the contact properties of a copper (Cu) electrode is an important process for improving the performance of an amorphous indium-gallium-zinc oxide (a-IGZO) thin-film transistor (TFT) for high-speed applications, owing to the low resistance
Autor:
Sahn Nahm, Hyung-Seok Kim, Sang Hyuk Gong, Seung Ho Yu, Sung Chul Kim, Dong Won Chun, Ji Hyeon Lee, Jee Hwan Bae
Publikováno v:
Journal of Energy Chemistry. 59:465-472
Sodium-ion batteries are considered as promising alternatives to lithium-ion batteries, owing to their low cost and abundant raw materials. Among the several candidate materials for the anode, spinel-type Li4Ti5O12 (LTO) has potential owing to its su
Autor:
Sang-Soo Chee, Gi-Hwan Kim, Jaewon Jang, Moon-Ho Ham, Myungwoo Son, In S. Kim, Dong Won Chun, Jee-Hwan Bae, Ji Hwan Lee
Publikováno v:
ACS Applied Electronic Materials. 3:2497-2503
Herein, we introduced surface modification of a Cu catalyst by employing CH4 pre-annealing, which changed the uniformly rough Cu surface; this resulted in formation of high-quality and uniform Bern...
Autor:
Min Young Kim, Seung Yong Lee, Juyoung Kim, Chul Oh Park, Wei Shi, Hyegi Min, Sang-il Kim, Hyun-Sik Kim, Young-Seok Shim, Beom Zoo Lee, Myung Sik Choi, Hyung Mo Jeong, Dong Won Chun, Kyu Hyoung Lee
Publikováno v:
Sensors and Actuators B: Chemical. 379:133283
Publikováno v:
ACS Applied Electronic Materials. 2:260-267
Herein, the bulk micromachining of Si by a magnetically guided metal-assisted chemical etching (MACE) process is demonstrated. To improve the etching performance of Si, a trilayer metal catalyst (A...